it will be held in soweto where nelson mandela made his final public appearance in 2010. ron, you have half of the world's leaders gathering, that stadium seats 95,000. it is an open air and presented significant challenges security wise. >> reporter: yes, there's perhaps not been an event like this ever, dare i say, the most comparable is the funeral of pope john paul ii in 2005 where there was 3 million people and 75 or 80 world leaders who attended. this is going to be an amazing day tomorrow. there's a lot of anticipation already. behind me you can hear people in the streets here still singing and dancing and sell bragt the life of nelson mandela. this has gone on constantly since his death was announced thursday night. they are already starting to shut large parts of this community down. i think that's basically the security solution and approach to the south african government will take. there will be no areas where you can't get near any of these events or near any places where these world leaders are staying. president obama will probably not stay the night and wo